MathDB
Inscribed Circle

Source:

December 9, 2005
trigonometrygeometrytrapezoidangle bisector

Problem Statement

A circle is inscribed in quadrilateral ABCD,ABCD, tangent to AB‾\overline{AB} at PP and to CD‾\overline{CD} at Q.Q. Given that AP=19,PB=26,CQ=37,AP=19, PB=26, CQ=37, and QD=23,QD=23, find the square of the radius of the circle.
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